

Staedtler 250 Mars Micro Carbon 0.5mm Mechanical Pencil Lead
In office, factory, and production facility operations, equipping reliable supply materials helps enhance employee productivity. Staedtler 250 Mars Micro Carbon mechanical pencil lead (0.5 mm lead size) is a premium product line offering smooth, sharp, and break-resistant performance, meeting daily business writing and drafting demands.
1. Key Features of Staedtler 250 Mars Micro Carbon Pencil Lead
High-Strength Micro Carbon Technology
The Staedtler 250 lead series utilizes a high carbon content formulation, creating a sturdy lead structure. The product withstands writing pressure effectively, reducing lead breakage during quick writing or sketching operations.
Smooth Writing & Diverse Dark Intensities
With a 0.5 mm lead diameter, the product provides clean and consistent lines. Enterprises can choose the appropriate lead grade based on usage requirements:
HB Grade (Item Code 250 05/HB): Delivers moderate dark lines, suitable for document note-taking, reporting, and administrative processing.
2B Grade (Item Code 250 05/2B): Delivers darker, smoother lines, ideal for technical sketching, drafting, or quick notes.
Convenient & Secure Tube Packaging
The pencil leads are packaged in a sturdy plastic tube with a smart opening mechanism, protecting internal leads from impact and moisture. The compact size makes it easy for staff to store in desk drawers or carry along.
2. Technical Specifications
Below is the detailed information table supporting procurement departments in enterprises:
Specifications | Details |
|---|---|
Product Name | Staedtler 250 Mars Micro Carbon Mechanical Pencil Lead |
Brand | Staedtler |
Item Code | 250 05/2B (2B Grade)
250 05/HB (HB Grade) |
Order Code | 037872 (2B Grade)
037858 (HB Grade) |
Lead Size | 0.5 mm |
Lead Grade | 2B / HB |
Packaging Unit | Tube / 12 leads |
3. Applications in Corporate & Factory Environments
Office Department: Supports administrative, accounting, and HR staff in recording information, processing files, and marking documents.
Technical & Design Department: Meets standards for sketching technical diagrams requiring precision and sharp details.
Factories & Warehouses: Combined effectively with mechanical pencils to inspect goods, record production logs, and manage warehouse inventory.
4. FAQ – Frequently Asked Questions
Is Staedtler 250 0.5mm lead compatible with other mechanical pencils?
The product is compatible with most standard mechanical pencils supporting a 0.5 mm lead size.
Should enterprises choose HB or 2B grade for office work?
HB grade is suitable for regular writing with clear, clean lines. Meanwhile, 2B grade is ideal for users who prefer darker strokes or use lead for technical sketching.
Does Nhanh Nhanh support scheduled delivery and invoicing for enterprises?
Nhanh Nhanh supplies stationery items and factory supplies for business clients with commercial invoices and scheduled delivery services.




















